STOFFERS, J. (1987). Regional and rural development planning series Nr.X: Pengelolaan dan analisa data. F.Geografi-UGM.
Cita Chicago (17th ed.)STOFFERS, J.W. Regional and Rural Development Planning Series Nr.X: Pengelolaan Dan Analisa Data. Yogyakarta: F.Geografi-UGM, 1987.
Cita MLA (9th ed.)STOFFERS, J.W. Regional and Rural Development Planning Series Nr.X: Pengelolaan Dan Analisa Data. F.Geografi-UGM, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.